The Thai betta can grow to a maximum of about 15cm, and its lifespan is generally about 3 to 6 years. The body length of the Thai betta has a certain relationship with the temperature and water quality of the feeding water. Generally, it can survive within 20-30 °C, and the water temperature is 24-27 °C, which is the most suitable for its growth.

The pH of the water is preferably neutral water, with a pH value of 6.5 to 7.2. Attention should also be paid to controlling the content of some toxins in the water quality, and using residual chlorine 0mg/l, nitrite 0mg/l, nitrate 5mg/l, ammonia 0mg/l, phosphate 0mg/l as the standard to check whether the feeding water quality meets the standard. Thai Betta needs.